TMA2/BIO307

My TMA Home TMA Results My Pending TMA Quick Help My TMATMA InstructionCourse DetailTMA CalendarGrading Message BoardQuick InfoInstructor Message Quiz NoteQuiz Tip - 1Quix Tip - 2 TMA Quiz Questions TMA: TMA2/BIO307 Matric Number:  SCORE=9.50 BIO307 - Evolution Dr. Chukwu Maureen (mchukwu@noun.edu.ng ) 1 Who showed that the continous variation measured by the biometrician could be produced by combination of action of many discrete genes and natural selection? Fisher Haldane Wright Darwin 2 Evolution occurs when there are changes in the_____ frequencies of thepopulation Phenotypic Genotypic Allelic Genetic 3 Several alternative forms of a gene in a population accounts for variations between the ___ of the orghanisms Allelic frequencies Genetic frquencies Phenotype Genotype 4 The ield of population genetics come into light as aresult of the work of the following scientists except: Darwin Haldane Fisher Wright 5 Which of the following is not anevolutionary outcome? Adaptation Selection Speciation Extinction 6 The crossbreeding of two related species to produce a new hybrid species is a type of ____ speciation Parapatric Perepatric Sympatric Allopatric 7 Which of the following is not a type of mutation by inheritance? Wild type Compound Hetrezygous Homozygous Leathal mutation 8 Which of the following is not an example of large scale mutation? Juxtaposing mutation Chromosomal translocations Missense mutation Interstitial deletion 9 The foolowing are the causes of spontaeous mutation except: Depurination Radiation Deamination Tautomerism 10 Whose discoveries allow certain assumptions to be made regarding the origin of reproductive isolation mechanisms in nature Kooperman Fisher Wright Haldane 11 In plants, hybrids often suffer from an autoimmune syndrome known as hybrid ____ Nephroid Nephrida Necrosis Complication 12 Which of the following will make the hybrid of two population with different numbers of chromosomes to experience a certain loss of fertility? Irregular meiosis Irregular mitosis Sterile gametes Non-disjunction 13 An example of chromosomal changes causing sterility comes from the study____ I drossophila melanogaster, II Drosophila nasuta III Drosophilaalbomicans I alone II alone I and III II and III 14 Post- copulatory isolation can arise between chromosomally different population due to ____ I Duplication II Translocation III Deletion IV Inversion I and II II and III II nad Iv I and Iv 15 What type of hybrid are produced in species where pre -copulatory reproductive isolation do not exist? Aboth sexes represneted One sex only Hermophrodites Hemizygos 16 The development of a zygote into an adult is a complex and delicate process of interactions between I Genes II Chromosomes III Environment I and II I and III II and III All of the above 17 Which of the following is /are hybrids resulting from a cross between a Horse an an Ass? I Mares II Mules III Hinnies I only II only Immnauel Kant II and III 18 In angiosperms the successful development of the embryo depends on the normal function of its ___ Epicarp Pericarp Endosperm Ressicles 19 Mechanical isolation is related to which of the following? I Selection II Adaptation III Coeveolution I only II only I and II II and III 20 Sexual isolation between two species can be ____ Asymmetrical Symmetrical Parallel perpedincular